Solution:

The Girl

Solution:

35

Explanation:
The value of RHS is
(A*A) - (A+A)

i.e
(2*2) - (2+2) = 4 - 4 = 00
(3*3) - (3+3) = 9 - 6 = 03
(4*4) - (4+4) = 16 - 8 = 08
(5*5) - (5+5) = 25 - 10 = 15
(6*6) - (6+6) = 36 - 12 = 24
(7*7) - (7+7) = 49 - 14 = 35

Solution:

What.

It is clearly mentioned that "What is the name of the fourth son". Note it's a statement with a period(.) and not with a question mark(?).

Most of the people has given the answer as "East" or "Someone".

Solution:

Its explained in the picture and video

Solution:

It can be done as shown in the picture below.

Solution:

All men lose the upper body and getting less for exchange. In this way, the losses of parts, account for one vanished one.

Watch the video for more detail.

Solution:

10 + 10 = 20
11 + 11 = 22 or we can say 20 too.

Solution:

Number 66

Solution:

Line - C

Explanation:
A^2= 3^2 + 6^2 => 9+36 => 45
B^2= 5^2 + 5^2 => 25+25 => 50
C^2= 6^2 + 4^2 => 36+16 => 52
D^2= 7^2 + 1^2 => 49+ 1 => 50

Solution:

1. The word "are" is repeated twice.
2. The word "to" is repeated twice.
3. The word mitstakes is misspelled. Its should be mistakes
4. The sentence is missing a punctuation mark and should end with a period/full stop not with semicolon.
5. Since there are only 4 mistakes, therefore, the statement of having five mistakes in the sentence is wrong which is the 5th mistake.